7.Gravitation
easy

निम्नलिखित में से किस खगोल विज्ञानी ने सबसे पहले बताया कि सूर्य स्थिर है, तथा पृथ्वी इसके चारों ओर परिक्रमा कर रही है

A

कॉपरनिकस

B

केपलर

C

गैलीलियो

D

उपरोक्त में से कोई नहीं

Solution

Nicolaus Copernicus a Polish astronomer studied the sky from the top of a Cathedral. In $1543$ he wrote his book 'The Revolution of Heavenly Orbits'. In it, he said the Earth revolves around the Sun once a year and it also rotates around its own axis.

Standard 11
Physics

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